# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 342 - 354 of 1022

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## Question 342

### Question

MCQ▾

If , then x is ________.

### Choices

Choice (4)Response

a.

25

b.

14

c.

23

d.

12

## Question 343

MCQ▾

Simplify .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 344

### Question

MCQ▾

A factor of is ________.

### Choices

Choice (4)Response

a.

b.

5

c.

d.

All a., b. and c. are correct

## Question 345

MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.

16

## Question 346

### Question

MCQ▾

What is the value of at ?

### Choices

Choice (4)Response

a.

Discriminant

b.

c

c.

a

d.

0

## Question 347

### Question

MCQ▾

If then a is ________.

### Choices

Choice (4)Response

a.

2

b.

1

c.

0

d.

- 1

## Question 348

### Question

MCQ▾

The value of x, for which is ________.

### Choices

Choice (4)Response

a.

b.

3

c.

d.

1

## Question 349

### Question

MCQ▾

If , then the value of .

### Choices

Choice (4)Response

a.

36

b.

30

c.

33

d.

39

## Question 350

### Question

MCQ▾

A contractor employed 120 men to build a house in 45 days. After 15 days, he was joined by 30 more men. In how many days will the remaining work be finished?

### Choices

Choice (4)Response

a.

20 days

b.

18 days

c.

28 days

d.

24 days

## Question 351

MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 352

### Question

MCQ▾

Power 5 of is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 353

### Question

MCQ▾

The product of is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 354

MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.